fix build Russian pdf and epub

- add xsl/dblatex-pdf-ru.xsl to use package xecyr

CMakeModules/KiCadDocumentation.cmake

@@ -100,6 +100,8 @@ macro( KiCadDocumentation DOCNAME )
             # Non-ascii languages needs some special treatments
             if( "${LANGUAGE}" MATCHES "ja" )
                 add_dblatex_option( -b xetex -p ${CMAKE_CURRENT_SOURCE_DIR}/../../xsl/dblatex-pdf-ja.xsl )
+            elseif( "${LANGUAGE}" MATCHES "ru" )
+                add_dblatex_option( -b xetex -p ${CMAKE_CURRENT_SOURCE_DIR}/../../xsl/dblatex-pdf-ru.xsl )
             endif()
 
             # Deal with chapters for all languages...

README.adoc

@@ -44,7 +44,7 @@ To install the dependencies on Debian / Ubuntu  run the following (requires abou
     sudo apt-get install git make cmake asciidoc pandoc gettext po4a dblatex
     texlive-xetex fonts-vlgothic source-highlight texlive-lang-english
     texlive-lang-french texlive-lang-italian texlive-lang-japanese
-    texlive-lang-dutch texlive-lang-polish texlive-lang-german
+    texlive-lang-dutch texlive-lang-polish texlive-lang-german texlive-lang-cyrillic
 
 NOTE: in Ubuntu 14:04 there is no texlive-lang-japanese. Install
 texlive-lang-cjk instead.

xsl/dblatex-pdf-ru.xsl

@@ -0,0 +1,29 @@
+<?xml version='1.0' encoding="iso-8859-1"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version='1.0'>
+  <xsl:param name="xetex.font">
+    <xsl:text>\usepackage{xecyr}
+    </xsl:text>
+    <xsl:text>\setmainfont{FreeSerif}
+    </xsl:text>
+    <xsl:text>\setsansfont{FreeSans}
+    </xsl:text>
+    <xsl:text>\setmonofont{FreeMono}
+    </xsl:text>
+    <xsl:text>\XeTeXlinebreaklocale{ru}
+    </xsl:text>
+<!--    <xsl:text>\XeTeXlinebreakskip{0pt plus 1pt minux 0.1pt}
+    </xsl:text>
+    <xsl:text>\XeTeXlinebreakpenalty{0}
+    </xsl:text> -->
+<!--    <xsl:text>\def\<{\@ifstar{\zx@hwback\nobreak}{\zx@hwback\relax}}
+    </xsl:text>
+    <xsl:text>\def\zx@hwback#1{\leavevmode#1\hskip-.5em\relax}
+    </xsl:text> -->
+    <xsl:text>\def\baselinestretch{1.3}
+    </xsl:text>
+    <xsl:text>\usepackage{indentfirst}
+    </xsl:text>
+<!--    <xsl:text>\parindent{1em}
+    </xsl:text> -->
+  </xsl:param>
+</xsl:stylesheet>